Ruth Emma Armstrong, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MD.MD.70076802 Issued in WA

Practice address

624 E Front Ave
Spokane, WA 99202-2139

Phone

(509) 626-9900

NPI assigned

Apr 4, 2023

Last updated

Jul 6, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in OR

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family PracticeAlso: Obstetrics/Gynecology

Education

University of Washington School of Medicine, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sky Lakes Medical Center Hospital, Klamath Falls, OR, CCN 380050

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Sky Lakes Medical Center Inc

  • Occupational Therapist
  • Klamath Falls, OR
  • NPI 1134270911

  Hospital

  Care Compare affiliation
• Sky Lakes Medical Center Inc

  • General Acute Care Hospital
  • Klamath Falls, OR
  • NPI 1659340370
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1680566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1093410235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001-4114",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911100001",
            "telephone_number": "866-747-2455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "624 E FRONT AVE",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992022139",
            "telephone_number": "509-626-9900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2821 Daggett Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Klamath Falls",
            "state": "OR",
            "postal_code": "976011130",
            "country_code": "US",
            "telephone_number": "541-274-4611",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "RUTH",
        "middle_name": "EMMA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-04",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD.MD.70076802",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joel Armstrong
• Karen Annette Armstrong, PT
• Kathleen Mayumi Armstrong, MED, LMHC, CDP, MHP
• Lauren D. Armstrong, CNM
• Rhiannon A Armstrong, ARNP
• Kiri T Arndt, RN, ATC
• Mary Ann K Arndt, M.D.
• Jacob T Arnett, MD
• Sara Arnett, RN
• Deann Arnholtz, LMP

• Family Medicine Physician in Spokane, WA
• Providers in Spokane, WA by specialty
• Family Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.